柯林斯词典airmail /ˈɛəˌmeɪl/ 1. N-UNCOUNT Airmail is the system of sending letters, parcels, and goods by air. 航空邮递 ...an airmail letter. …一封航空信。 返回 airmail剑桥词典a system of sending letters and parcels by aircraft 航空邮政；航空邮递 If you send it (by) airmail, it'll be very expensive . 如果寄航空，价格就会很贵。 返回 airmail